671575602665 has 8 divisors (see below), whose sum is σ = 879153516288. Its totient is φ = 488418620080.

The previous prime is 671575602641. The next prime is 671575602671. The reversal of 671575602665 is 566206575176.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 671575602665 - 2²⁴ = 671558825449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 671575602665.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6105232697 + ... + 6105232806.

It is an arithmetic number, because the mean of its divisors is an integer number (109894189536).

Almost surely, 2^671575602665 is an apocalyptic number.

It is an amenable number.

671575602665 is a deficient number, since it is larger than the sum of its proper divisors (207577913623).

671575602665 is a wasteful number, since it uses less digits than its factorization.

671575602665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12210465519.

The product of its (nonzero) digits is 15876000, while the sum is 56.

The spelling of 671575602665 in words is "six hundred seventy-one billion, five hundred seventy-five million, six hundred two thousand, six hundred sixty-five".